Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Estados Unidos Department of Commerce Social and Economic Statistics Administration. (1972). Congressional districts for the 93rd congress. Department of Commerce.
Chicago Style (17th ed.) Zitazioa
Estados Unidos Department of Commerce Social and Economic Statistics Administration. Congressional Districts for the 93rd Congress. Department of Commerce, 1972.
MLA (9th ed.) Zitazioa
Estados Unidos Department of Commerce Social and Economic Statistics Administration. Congressional Districts for the 93rd Congress. Department of Commerce, 1972.
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